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WO2007014020A1 - Operation d'utilisateur de dispositif sans fil capable de communication avec une pluralite de reseaux - Google Patents

Operation d'utilisateur de dispositif sans fil capable de communication avec une pluralite de reseaux Download PDF

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Publication number
WO2007014020A1
WO2007014020A1 PCT/US2006/028340 US2006028340W WO2007014020A1 WO 2007014020 A1 WO2007014020 A1 WO 2007014020A1 US 2006028340 W US2006028340 W US 2006028340W WO 2007014020 A1 WO2007014020 A1 WO 2007014020A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
networks
protocol
wireless device
transceiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2006/028340
Other languages
English (en)
Inventor
Nikhil Jain
Avneesh Agrawal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to JP2008522984A priority Critical patent/JP2009503951A/ja
Priority to EP06788090A priority patent/EP1908315A1/fr
Publication of WO2007014020A1 publication Critical patent/WO2007014020A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H04M1/2535—Telephone sets using digital voice transmission adapted for voice communication over an Internet Protocol [IP] network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/06—Details of telephonic subscriber devices including a wireless LAN interface

Definitions

  • the present disclosure relates generally to telecommunications, and more particularly, to the operation of a wireless device capable of communicating with multiple networks.
  • CDMA2000 Ix is just one example of a wireless network that provides wide area telephony and data services.
  • CDMA2000 Ix is a wireless standard promulgated by the Third Generation Partnership Project 2 (3GPP2) using code division multiple access (CDMA) technology.
  • CDMA is a technology that allows multiple users to share a common communications medium using spread-spectrum processing.
  • GSM Global System for Mobile Communications
  • TDMA narrowband time division multiple access
  • Some other wireless networks include General Packet Radio Service (GPRS) which supports high speed data services with data rates suitable for e-mail and web browsing applications, and Universal Mobile Telecommunications System (UMTS) which can deliver broadband voice and data for audio and video applications.
  • GPRS General Packet Radio Service
  • UMTS Universal Mobile Telecommunications System
  • wireless networks can generally be thought of as wide area networks employing cellular technology.
  • Cellular technology is based on a topology in which the geographic coverage region is broken up into cells. Within each of these cells is a fixed base transceiver station (BTS) that communicates with wireless users.
  • a base station controller (BSC) is typically employed in the geographic coverage region to control the BTSs and route communications to the appropriate gateways for the various packet- switched and circuit-switched networks.
  • BSC base station controller
  • wireless devices are evolving to support integrated voice, data, and streaming media while providing seamless network coverage between wide area cellular networks and wireless local area networks (LAN).
  • LAN wireless local area networks
  • Wireless LANs generally provide telephony and data services over relatively small geographic regions using a standard protocol, such as IEEE 802.11, Bluetooth, or the like.
  • IEEE 802.11, Bluetooth or the like.
  • the existence of wireless LANs provides a unique opportunity to increase user capacity in a wide area cellular network by extending cellular communications to the unlicensed spectrum using the infrastructure of the wireless LAN.
  • a cellular wireless device capable of providing seamless coverage over a WLAN may operate differently depending on which network it is connected to. This is due, in part, to each network's use of its own unique protocol for communicating with the wireless device.
  • a user on a wireless device connected to a cellular network may initiate a telephone call by entering the phone number and then pressing a designated key on the device.
  • the same wireless device connected to a WLAN may require the user to press a different key to initiate the call once the phone number is entered.
  • a tone received by the user may indicate another incoming call. The user may then place the active call on hold while answering the other incoming call by pressing the appropriate key.
  • the user When connected to the WLAN, the user may need to press a different key in response to multiple tones to answer the incoming call.
  • a user operating a wireless device in this geographic landscape may be need to know multiple procedures for the same service. This places a heavy burden on the user. This burden may be reduced with a wireless device that works the same way regardless of the network connection.
  • the wireless device includes a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the wireless device also includes a user interface, and a processor configured to select either one of the two networks for wireless communications with the transceiver.
  • the processor is further configured to communicate with the transceiver using the air interface protocol for the selected network, and communicate with the user interface using a root protocol regardless of the network selected.
  • the wireless device includes a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the wireless device also includes a user interface having a keypad and a display, and a processor configured to select either one of the two networks for wireless communications with the transceiver.
  • the processor is further configured to support a plurality of network services accessible in substantially the same way by a user through the keypad and display regardless of the network selected.
  • the wireless device includes a user interface and a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the computer readable media embodies a program of instructions are executable by the processor to perform a method that includes selecting either one of the two networks for wireless communications with the transceiver, communicating with the transceiver using the air interface protocol for the selected network, and communicating with the user interface using a root protocol regardless of the network selected.
  • the wireless device includes a user interface having a keypad and display, and a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the computer readable media embodies a program of instructions are executable by the processor to perform a method that includes selecting either one of the two networks for wireless communications with the transceiver, and supporting a plurality of network services accessible in substantially the same way by a user through the keypad and display regardless of the network selected.
  • the wireless device includes a user interface and a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the wireless device also includes means for selecting either one of the two networks for wireless communications with the transceiver, and means for communicating with the transceiver using the air interface protocol for the selected network, and communicating with the user interface using a root protocol regardless of the network selected.
  • a further aspect of a wireless device capable of communicating with multiple networks includes a keypad, display, and transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the wireless device also includes means for selecting either one of the two networks for wireless communications with the transceiver, and means for supporting a plurality of network services accessible in substantially the same way by a user through the keypad and display regardless of the network selected.
  • the wireless device includes a user interface and a transceiver configured to communicate with either one of two networks over a wireless medium, each of the two networks having a different air interface protocol.
  • the method includes connecting the wireless device to a first one of the two networks, supporting a plurality of network services accessible by a user through the keypad and display, switching the wireless device to a second one of the two networks, and providing the network services accessible in substantially the same way by the user through the keypad and display.
  • FIG. 1 is a conceptual block diagram of an embodiment of a wireless communications system
  • FIG. 2 is an example of a hardware configuration for a software based processing system in a wireless communications device.
  • FIG. 3 is a functional block diagram illustrating a multi-layer software architecture for the processing system of FIG. 2.
  • the wireless device may be equipped to access various services provided by different networks in a way that is transparent to the user.
  • the user can place calls, correct dialing mistakes, redial calls, receive calls, utilize call waiting, forward calls, set-up three-way calling, use voice mail, text message, access the Internet, and perform many other similar functions without the need to know which network is being used.
  • the wireless communications device may include a user interface that is menu driven.
  • on-screen options can be presented to the user in the form of a main menu. From the main menu, the user can select onscreen options for selecting particular network services or other features. Once an onscreen option is selected by the user, various selections may be presented to the user in a sub-menu format.
  • a user can navigate through the menu selections to place calls from his or her address book, speed dial, access voice mail, use text messaging, access the Internet, select graphics for the display, access various tools, and perform many other similar functions.
  • the wireless device may be configured such that user can make menu selections in the same way regardless of which network the wireless device is connected to.
  • the wireless communications device may be any suitable device capable of wireless telephony or data communications, such as a cellular phone designed for operation in a CDMA2000 Ix network.
  • the wireless communications device may be capable of employing any suitable protocol for accessing a wireless LAN, including, by way of example, IEEE 802.11. While various techniques for accessing network services may be described in the context of a cellular phone capable of communicating with an IEEE 802.11 network, those skilled in the art will readily appreciate that these techniques can be extended to other wireless communication devices capable of accessing multiple networks.
  • any reference to a wireless cellular device capable of communicating with an IEEE 802.11 network is intended only to illustrate various aspects of the present invention, with the understanding that these aspects have a wide range of applications.
  • FIG. 1 is a conceptual block diagram of an embodiment of a wireless communications system.
  • a wireless device 102 is shown moving through a wide area cellular network 104 by a series of broken lines.
  • the cellular network 104 includes a BSC 106 supporting a number of BTSs dispersed throughout the cellular coverage region.
  • a single BTS 108 is shown in FIG. 1 for simplicity of explanation.
  • a mobile switching center (MSC) 110 may be used to provide a gateway to a public switched telephone network (PSTN) 112.
  • PSTN public switched telephone network
  • the cellular network 104 may employ numerous BSCs each supporting any number of BTSs to extend the geographic reach of the cellular network 104.
  • PSTN public switched telephone network
  • the MSC 110 may also be used to coordinate communications between the BSCs.
  • the cellular network 104 may also include one or more wireless LANs dispersed throughout the cellular coverage region.
  • a single wireless LAN 114 is shown in FIG. 1.
  • the wireless LAN 114 may be an IEEE 802.11 network, or any other suitable network.
  • the wireless LAN 114 includes an access point 116 for the wireless device 102 to communicate with an IP network 118.
  • a server 120 may be used to interface the IP network 118 to the MSC 110, which provides a gateway to the PSTN 112.
  • the wireless device 102 As the wireless device 102 travels through the cellular coverage region, it will attempt to access either the cellular network 104 or the wireless LAN 114. The decision to access a particular network may depend on a variety of factors, such as the specific application, the particular infrastructure, the overall design constraints, and/or the quality of service required. One possible implementation is to configure the wireless device 102 to access the wireless LAN 114 whenever a minimum quality of service can be achieved. To the extent the wireless LAN 114 can be used to support wireless telephony and data communications, valuable cellular bandwidth may be freed up for other wireless users.
  • Network access can be managed with a software based processing system, or any other suitable configuration.
  • An example of a hardware configuration for a software based processing system is shown in FIG. 2.
  • the processing system 200 may be implemented with a number of components connected by a bus 202.
  • a central processing unit (CPU) 204 coupled to the bus 202 may provide a platform to run software programs that, among other things, manage access to the cellular network and the wireless LANs.
  • the processing system 200 may include additional processors (not shown) coupled to the bus 202 that allow the CPU 204 to offload tasks.
  • the CPU 204 may be a single processor as shown in FIG. 2, or alternatively, distributed across multiple processing entities.
  • the exact configuration used for any particular application will be a matter of rudimentary hardware design, with the understanding that the inventive concepts described throughout this disclosure are not dependent on the hardware configuration.
  • the processing system 200 may also include non-volatile memory 206 coupled to the bus 202.
  • the non-volatile memory 206 may be implemented as read only memory (ROM) as shown in FIG. 2, or any other type of suitable permanent storage medium.
  • ROM read only memory
  • the ROM 206 may be used to store the operating system and applications used by the CPU 204.
  • the basic input/output system (BIOS) and the operating system stored in the ROM 206 are loaded into a temporary storage medium 208 coupled to the bus 202.
  • the temporary storage medium 206 may be implemented as random access memory (RAM), or any other suitable volatile memory device.
  • RAM random access memory
  • Applications that are launched by the CPU 202 and files needed in such applications may also be loaded into the RAM 208.
  • the memory architecture for any particular application may vary to meet the overall performance requirements of the CPU or other processing entities. Those skilled in the art will appreciate that the inventive concepts described throughout this disclosure are independent of the memory architecture.
  • the processing system 200 may also include a wireless transceiver 211 connected to the bus 202 through a bus interface 210.
  • the wireless transceiver 211 is shown in FIG. 2 with a cellular block 212 and a wireless LAN block 214.
  • the cellular block 212 is capable of supporting CDMA2000 Ix communications
  • the wireless LAN block 214 is capable of supporting IEEE 802.11 communications.
  • the transceiver blocks 212, 214 may be separate as shown in FIG. 2, or integrated into a single block.
  • Each transceiver 212, 214 is shown with a separate antenna 216, 218, respectively, but the transceivers 212, 214 could share a single broadband antenna.
  • Each antenna 216, 218 may be implemented with one or more radiating elements.
  • the processing system 200 may be coupled through the bus 202 to a user interface 219.
  • the user interface 219 may include a display 220, such as a liquid crystal display (LCD).
  • the user interface 219 may also include a number of input devices, such as a keypad 222 and a cursor control 224 for communicating with the CPU 202 and controlling cursor movement on the display 220.
  • FIG. 3 is a functional block diagram illustrating a multi-layer software architecture for the processing system.
  • the software architecture includes a software platform 302 running on hardware 304.
  • the software platform 304 may be a BREW operating system developed by Qualcomm, Inc., or any other operating system or application execution environment.
  • the software platform 302 may be used to support a protocol layer 306, a call manager 308, and user interface software 310.
  • the hardware 304 can be a CPU as shown in FIG. 2, or any other suitable hardware.
  • User interface software 310 is a software program, or set of programs, that sits as a layer above the call manager 308.
  • the software programs can be applications that support various functions such as placing calls, correcting dialing mistakes, redialing calls, receiving calls, call waiting, call forwarding, set-up three-way calling, speed dial, voice mail, text messaging, Internet access, graphics, tools, and many other similar functions.
  • the user interface software 310 is also responsible for generating menu and sub-menus presented to the display.
  • the call manager 308 may be used to manage access to various networks.
  • the call manager 308 is responsible for establishing a connection with either the cellular network or the wireless LAN.
  • the call manager 308 may perform this function using any suitable selection algorithm.
  • the call manager 308 may consider cost, bandwidth, network traffic, or other criteria to select a network.
  • the call manager 308 may be configured to access the wireless LAN if a minimum quality of service can be achieved. Otherwise, the call manager 308 will attempt to access the cellular network.
  • the call manager 308 may also be responsible for handing off the wireless device from one network to the other as the wireless device travels through the cellular network, thereby causing the service quality of the wireless LAN to change.
  • the call manager 308 selects the appropriate network, it signals the protocol layer 306.
  • the protocol layer 306 provides the appropriate air interface based on the signaling from the call manager 308.
  • the protocol layer 308 can support both a CDMA2000 Ix air interface and an IEEE 802.11 air interface.
  • the protocol layer 306 may also be used to provide protocol independent responses from the selected network to the user interface software 310.
  • the user interface software 310 will operate in exactly the same way regardless of the network that the wireless device is connected to. Thus, a user who has become accustom to initiating a telephone call by entering the phone number and pressing a designated key can continue to do so as the wireless device is handed off between networks.
  • the menu and sub-menu formats will remain unchanged.
  • the user will navigate through the menus using the same keypad manipulations for all networks that the wireless device accesses as it travels through a wireless network.
  • the look and feel of the wireless device will remain unchanged as the air-interface deployed by the protocol layer 306 changes.
  • the protocol layer 306 may be implemented in a number of ways.
  • a root protocol is preconfigured in the wireless device.
  • the root protocol may be CDMA2000 Ix.
  • the protocol layer translates communications between the root protocol of the user interface software 310 and the air interface protocol for the selected network. More specifically, the protocol layer 306 determines whether a translation between the CDMA2000 Ix protocols and IEEE 802.11 air interface is required based on signaling from the call manager 308. If the call manager 308 selects the wireless LAN, then the protocol layer 306 will perform the appropriate translation by means well known in the art. Otherwise, the CDMA2000 Ix communications can pass through the protocol layer 306 unmolested.
  • the protocol layer 306 may be configured to tunnel root protocol communications between the user interface and the selected network using the air interface protocol for the selected network. If the root protocol is CDMA2000 Ix and the call manager 308 selects a CDMA2000 Ix network, then the communications can pass through the protocol layer 306 in much the same way as described in connection with the previous embodiment. However, if the call manager 308 selects a different network, such as an IEEE 802.11 network, then the CDMA2000 Ix communications between the wireless device and the network may be tunneled through the appropriate air interface protocol. In particular, the protocol layer 306 encapsulates communications from the user interface 308 before transmission to the network.
  • the protocol layer 306 also strips the appropriate headers from communications received from the network before providing them to the user interface software 308.
  • the server on the other end of the IP network performs a similar function, thus communicating with the MSC using the CDMA2000 Ix protocol.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • a general-purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine.
  • a processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium.
  • the storage medium may be integral to the processor.
  • the processor and the storage medium may reside in an ASIC.
  • the ASIC may reside in a user terminal.
  • the processor and the storage medium may reside as discrete components in a user terminal.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

La présente invention a trait à un dispositif sans fil et un procédé de fonctionnement du dispositif. Le dispositif sans fil est capable de communiquer avec une pluralité de réseaux. Le dispositif sans fil comporte un émetteur/récepteur agencé pour la communication avec l'un ou l'autre de deux réseaux sur un support sans fil. Chacun des deux réseaux comporte un protocole d'interface hertzienne différent. Le dispositif sans fil comporte également une interface d'utilisateur comprenant un clavier, un affichage et/ou de dispositifs analogues. Un processeur dans le dispositif sans fil peut être configuré pour la sélection de l'un ou de l'autre des deux réseaux pour des communications sans fil avec l'émetteur/récepteur. Dans au moins un mode de réalisation, le processeur est configuré pour communiquer avec l'émetteur/récepteur à l'aide d'un protocole d'interface hertzienne pour le réseau sélectionné, et pour communiquer avec l'interface d'utilisateur à l'aide d'un protocole d'interface racine indépendamment du réseau sélectionné.
PCT/US2006/028340 2005-07-22 2006-07-20 Operation d'utilisateur de dispositif sans fil capable de communication avec une pluralite de reseaux Ceased WO2007014020A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008522984A JP2009503951A (ja) 2005-07-22 2006-07-20 複数のネットワークと通信することができる無線デバイスのユーザの操作
EP06788090A EP1908315A1 (fr) 2005-07-22 2006-07-20 Operation d'utilisateur de dispositif sans fil capable de communication avec une pluralite de reseaux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/187,775 2005-07-22
US11/187,775 US7801555B2 (en) 2005-07-22 2005-07-22 User operation of a wireless device capable of communicating with multiple networks

Publications (1)

Publication Number Publication Date
WO2007014020A1 true WO2007014020A1 (fr) 2007-02-01

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Country Status (6)

Country Link
US (1) US7801555B2 (fr)
EP (1) EP1908315A1 (fr)
JP (1) JP2009503951A (fr)
KR (1) KR20080030679A (fr)
CN (1) CN101268706A (fr)
WO (1) WO2007014020A1 (fr)

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US20040219948A1 (en) * 2003-04-14 2004-11-04 Jones Bryce A. Multi-mode mobile station and method

Cited By (2)

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EP1971115A1 (fr) 2007-03-16 2008-09-17 Research In Motion Limited Interface utilisateur constante pour des terminaux mobiles multimodes
JP2009118356A (ja) * 2007-11-08 2009-05-28 Kddi Corp 無線ｌａｎの輻輳状態を判定する無線端末、プログラム及び方法

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US7801555B2 (en) 2010-09-21
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JP2009503951A (ja) 2009-01-29
US20070021143A1 (en) 2007-01-25
EP1908315A1 (fr) 2008-04-09

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